For the following questions answer them individually
The length and breadth of a rectangle are 12 cm and 5 cm respectively. What must be the length of its diagonal (in cm)?
In ΔDEF measure of angle E is $$90^\circ$$. If $$cos D = \frac{5}{13}$$, and DE = 1cm, then what is the length (in cm) of side EF?
In the following question, four number pairs are given. The number on left side of (-) is related to the number on the right side of (-) with some Logic / Rule / Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.